Using COc1cnnc(-c2ccnn2-c2ccccc2)c1O, OC1CCc2ccccc2C1 to produce COc1cn(C2CCc3ccccc3C2)nc(-c2ccnn2-c2ccccc2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.