Using O=C(OCc1ccccc1)N1CCC(c2cc(-c3ccccc3)n[nH]c2=O)CC1 to produce O=c1[nH]nc(-c2ccccc2)cc1C1CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.