Using C=CCCC(CCCC1(C)OCCO1)C(=O)N1CCOC1=O, O=[O+][O-] to produce CC1(CCCC(CCC=O)C(=O)N2CCOC2=O)OCCO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.