Using CC(C)(C)OC(=O)NCCBr, CCOC(=O)c1c(CS(=O)(=O)c2ccccc2)ccc(-c2ccoc2)c1O to produce CCOC(=O)c1c(CS(=O)(=O)c2ccccc2)ccc(-c2ccoc2)c1OCCNC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.