Using O=C(CCc1c[nH]c2ccccc12)Nc1ccccc1C(=O)O, Nc1ccccc1 to produce O=c1c2ccccc2nc(CCc2c[nH]c3ccccc23)n1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.