Using O=S(=O)(Cl)c1ccc2ccccc2c1, CCOC(=O)C1CNCCC1=O to produce CCOC(=O)C1=C(O)CCN(S(=O)(=O)c2ccc3ccccc3c2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.