Using COC(=O)CCC(=O)c1c(O)c2cc(C3CCCCC3)cnc2n(C)c1=O to produce Cn1c(=O)c(C(=O)CCC(=O)O)c(O)c2cc(C3CCCCC3)cnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.