Using O=c1ccocc1, Nc1ccc(-c2ccc(=O)[nH]n2)cc1 to produce O=c1ccn(-c2ccc(-c3ccc(=O)[nH]n3)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.