Using O=C(CCl)Nc1ccc2oc3c(c2c1)CCCCCC3, O=C([O-])[O-] to produce O=C(CO)Nc1ccc2oc3c(c2c1)CCCCCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.