Using CCN(CC)CCCC(=O)c1ccc2c(c1)c1cc(C(=O)CCCN(CC)CC)ccc1n2CC to produce CCN(CC)CCCCc1ccc2c(c1)c1cc(CCCCN(CC)CC)ccc1n2CC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.