Using CC1(C)CCCNC1, O=C(O)c1cc(Nc2ccc3c(c2)CC2(C3)C(=O)Nc3ncccc32)ncn1 to produce CC1(C)CCCN(C(=O)c2cc(Nc3ccc4c(c3)CC3(C4)C(=O)Nc4ncccc43)ncn2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.