Using COc1ccccc1-c1cnc2[nH]cc(-c3ccccc3)c2c1 to produce Oc1ccccc1-c1cnc2[nH]cc(-c3ccccc3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.