Using CN(CCC(OCCN)c1cccc(Cl)c1)C(=O)OC(C)(C)C, COC(=O)Cl to produce COC(=O)NCCOC(CCN(C)C(=O)OC(C)(C)C)c1cccc(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.