Using O=C(O)c1cccc2c1CCN(Cc1ccnc3ccccc13)C2, Nc1ccc(Cl)cc1 to produce O=C(Nc1ccc(Cl)cc1)c1cccc2c1CCN(Cc1ccnc3ccccc13)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.