Using CCOC(C)OC(Cc1ccccc1)C1CCC(c2cccs2)(N(C)C)CC1 to produce CN(C)C1(c2cccs2)CCC(C(O)Cc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.