Using O=C(CCl)Nc1ccc2cc(-c3ccccc3)[nH]c(=O)c2c1, C1COCCN1 to produce O=C(CN1CCOCC1)Nc1ccc2cc(-c3ccccc3)[nH]c(=O)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.