Using Cc1oc(-c2ccccc2)nc1COc1ccc2cc(C=C3SC(=O)NC3=O)oc2c1 to produce Cc1oc(-c2ccccc2)nc1COc1ccc2cc(CC3SC(=O)NC3=O)oc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.