Using NCCC(=O)N1CCc2nc(NC3Cc4ccccc4C3)ncc2C1, NC(=O)Cc1cn[nH]n1 to produce O=C(Cc1cnn[nH]1)NCCC(=O)N1CCc2nc(NC3Cc4ccccc4C3)ncc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.