Using COC(=O)C(c1ccccc1)N(CC(OC)OC)C(=O)C(C)C to produce COC(CN(C(=O)C(C)C)C(C(=O)O)c1ccccc1)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.