Using COc1ccc(CN(C)c2ccc3c(c2)C(=C2C(=O)N(CO)c4ccccc42)OC3)c(OC)c1 to produce CNc1ccc2c(c1)C(=C1C(=O)N(CO)c3ccccc31)OC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.