Using CCOC(=O)C1=C(O)c2ccc(Cl)cc2C(C)(CC)C1=O, CC(C)(C)OC(=O)CN to produce CCC1(C)C(=O)C(C(=O)NCC(=O)OC(C)(C)C)=C(O)c2ccc(Cl)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.