Using NC1C2CC3CC(C2)CC1C3, S=C(n1ccnc1)n1ccnc1 to produce S=C(NC1C2CC3CC(C2)CC1C3)NC1C2CC3CC(C2)CC1C3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.