Using COC(=O)c1cc(Cl)cc(N)c1C, CC(C)(C)OC(=O)NCC=O to produce COC(=O)c1cc(Cl)cc(NCCNC(=O)OC(C)(C)C)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.