Using CC(C)(C)OC(=O)NCC=O, COc1cc(/C=C2\SC(=O)NC2=O)c(N2CCC(N(C)C)C2)cc1OC to produce COc1cc(/C=C2\SC(=O)NC2=O)c(N2CCC(NCCNC(=O)OC(C)(C)C)C2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.