Using COC(C)CCO, CCN(CC)CCNC(=O)c1cc(Cl)c(N)cc1O to produce CCN(CC)CCNC(=O)c1cc(Cl)c(N)cc1OCCC(C)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.