Using C=C[Sn](CCCC)(CCCC)CCCC, CC(C)(C)OC(=O)N1CCC2(C1)CN(C(=O)OCC[Si](C)(C)C)c1ccc(Br)cc12 to produce C=Cc1ccc2c(c1)C1(CCN(C(=O)OC(C)(C)C)C1)CN2C(=O)OCC[Si](C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.