Using COC(=O)c1cc(Cl)c(NC(C)=O)c2c1OC(C)(C)CCC2 to produce CC1(C)CCCc2c(N)c(Cl)cc(C(=O)O)c2O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.