Using O=C(O)CCC12CCC(=O)N1C(=O)CC2, Nc1ccncc1 to produce O=C(CCC12CCC(=O)N1C(=O)CC2)Nc1ccncc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.