Using CCCNCCC12CC3CC(CC(C3)C1)C2, O=C(O)CCCCc1ccncc1 to produce CCCN(CCC12CC3CC(CC(C3)C1)C2)C(=O)CCCCc1ccncc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.