Using COC(=O)c1cc(-c2cc(-c3c(N4CCOCC4)sc4c3CC(C)(C)CC4=O)ccn2)ccn1 to produce CC1(C)CC(=O)c2sc(N3CCOCC3)c(-c3ccnc(-c4ccnc(C(=O)O)c4)c3)c2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.