Using COC(=O)C1=C(C)NC(C)=C(C(=O)OCCN2C(=O)c3ccccc3C2=O)C1c1cccc(Cl)c1Cl to produce COC(=O)C1=C(C)NC(C)=C(C(=O)OCCN)C1c1cccc(Cl)c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.