Using CCc1nc2c(c(=O)n(C)c(=O)n2-c2ccc(Cl)cc2Cl)n1COCc1ccccc1 to produce CCc1nc(Nc2ccc(Cl)cc2Cl)c(C(=O)NC)n1COCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.