Using COC(=O)c1ccc(N(C)c2ncc3c(n2)N(C2CCCCC2)CC(C)C(=O)N3C)c(OC)c1 to produce COc1cc(C(=O)O)ccc1N(C)c1ncc2c(n1)N(C1CCCCC1)CC(C)C(=O)N2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.