Using C=C[Sn](CCCC)(CCCC)CCCC, CCOC(=O)c1c(OCc2ccccc2)c2n(c1Br)C(C)CN(C)C2=O to produce C=Cc1c(C(=O)OCC)c(OCc2ccccc2)c2n1C(C)CN(C)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.