Using CC=O, CCN1C(=O)CNCc2ccc(Nc3ncc(Cl)c(Nc4ccsc4C(=O)NC)n3)cc21 to produce CCN1CC(=O)N(CC)c2cc(Nc3ncc(Cl)c(Nc4ccsc4C(=O)NC)n3)ccc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.