Using CCCCc1nnc(OC[C@H]2CCNC[C@H]2O)cc1-c1ccc(OC2CCCCC2)cc1, CC(C)(C)OC(=O)OC(C)(C)C to produce CCCCc1nnc(OC[C@H]2CCN(C(=O)OC(C)(C)C)C[C@H]2O)cc1-c1ccc(OC2CCCCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.