Using COc1cc(OC)cc(C(=CC#N)c2ccc3c(c2)OCCO3)c1, COc1ccc(C(=O)c2ccc(OC)cc2)cc1 to produce COc1ccc(C(=CC#N)c2ccc(OC)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.