Using COc1cnc2nc(-c3ccc(C)cc3)c(-c3ccc(C)cc3)nc2c1 to produce COC1CNc2nc(-c3ccc(C)cc3)c(-c3ccc(C)cc3)nc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.