Using Cc1ccc(S(=O)(=O)n2ccc(C=O)n2)cc1, CC[Mg]Cl to produce CCC(O)c1ccn(S(=O)(=O)c2ccc(C)cc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.