Using C=CCCC(C)(C)COC(=O)Cl, COC(=O)C(N)CNC(=O)OC(C)(C)C to produce C=CCCC(C)(C)COC(=O)NC(CNC(=O)OC(C)(C)C)C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.