Using O=C(OCc1ccccc1)N1Cc2[nH]c3ccccc3c2CC1c1nnn[nH]1 to produce c1ccc2c3c([nH]c2c1)CNC(c1nnn[nH]1)C3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.