Using O=C(Nc1ncnc2c1CCN(Cc1ccccc1)C2)C12CC3CC(CC(C3)C1)C2 to produce O=C(Nc1ncnc2c1CCNC2)C12CC3CC(CC(C3)C1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.