Using C1COCCN1, CC(C)C1COC(=O)N1C(=O)C(CC(=O)O)CC1CCCCC1 to produce CC(C)C1COC(=O)N1C(=O)C(CC(=O)N1CCOCC1)CC1CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.