Using C=CCOc1cc(NCC)c(C(C)=O)cc1C(C)=O, CN1CCCC1=O to produce CCCc1c(O)c(C(C)=O)cc(C(C)=O)c1NCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.