Using O=C(NCCC1CC1)c1ccc(N2CC3C(C2)C3N(Cc2ccccc2)Cc2ccccc2)nn1 to produce NC1C2CN(c3ccc(C(=O)NCCC4CC4)nn3)CC12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.