Using CCCn1nc2c(N)nc3ccccc3c2c1CCCCN1C(=O)c2ccccc2C1=O to produce CCCn1nc2c(N)nc3ccccc3c2c1CCCCN, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.