Using COc1ccc(N=C(C=COc2ccccc2)Oc2ccccc2)cc1 to produce Oc1ccc(N=C(C=COc2ccccc2)Oc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.