Using O=C([O-])[O-], O=C1c2ccccc2C(=O)N1CCc1cc[nH]c(=O)c1 to produce Cn1ccc(CCN2C(=O)c3ccccc3C2=O)cc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.