Using NC[C@@H](O)CN1CCOCC1, CCOC(=O)c1c(CCCOS(C)(=O)=O)[nH]c(C(=O)OC(C)(C)C)c1C to produce CCOC(=O)c1c(CCCNC[C@H](O)CN2CCOCC2)[nH]c(C(=O)OC(C)(C)C)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.