Using C=CC[Sn](CCCC)(CCCC)CCCC, CC(C)(C)OC(=O)N1CC[C@H]1COc1cnc(Cl)c(Br)c1 to produce C=CCc1cc(OC[C@@H]2CCN2C(=O)OC(C)(C)C)cnc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.