Using O=C1c2ccccc2C(=O)N1O, CC(CCCn1cc(CCO)c(=O)[nH]c1=O)C(=O)O to produce CC(CCCn1cc(CCON2C(=O)c3ccccc3C2=O)c(=O)[nH]c1=O)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.