Using CC(=O)OC(C)=O, CCC(C)c1cc(C=O)c2nc(C)c(C)c(O)c2c1 to produce CCC(C)c1cc(C=O)c2nc(C)c(C)c(OC(C)=O)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.