Using COc1ccc(CN)cc1, Brc1ccc2cc(OCc3ccccc3)ccc2c1 to produce COc1ccc(CNc2ccc3cc(OCc4ccccc4)ccc3c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.