Using O=C(O)CCCNc1ccc(C(=O)c2ccccc2)cc1, O=C([O-])O to produce CN(CCCC(=O)O)c1ccc(C(=O)c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.