Using O=C(CCN1CC(Cc2ccccc2)C(=O)N(S(=O)(=O)c2ccc(Cl)cc2)CC1=O)Nc1ccccc1 to produce NC(=O)CCN1CC(Cc2ccccc2)C(=O)N(S(=O)(=O)c2ccc(Cl)cc2)CC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.