Using C=C[Sn](CCCC)(CCCC)CCCC, COC(=O)[C@@H]1C[C@@H](Oc2nc3ccccc3c3ccc(Br)cc23)CN1C(=O)OC(C)(C)C to produce C=Cc1ccc2c(c1)c(O[C@@H]1C[C@@H](C(=O)OC)N(C(=O)OC(C)(C)C)C1)nc1ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.