Using CC(C)(C)c1nn(CC(=O)Nc2sc3c(c2C(N)=O)CCCC3)cc1C=O to produce CC(C)(C)c1nn(CC(=O)Nc2sc3c(c2C(N)=O)CCCC3)cc1CO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.