Using O=S(=O)(c1ccc(Cl)cc1)N1CCc2n[nH]cc2C1CO to produce O=CC1c2c[nH]nc2CCN1S(=O)(=O)c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.