Using O=C(CC12CC3CC(CC(C3)C1)C2)Nc1ncnc2c1CCN(Cc1ccccc1)C2 to produce O=C(CC12CC3CC(CC(C3)C1)C2)Nc1ncnc2c1CCNC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.