Using O=Cc1ccc(Cl)cc1, COC(=O)c1ccn(C2CC2)c1 to produce COC(=O)c1ccn(C2CC2)c1C(O)c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.