Using COC(=O)CCCSc1c2c(=O)n(C)c(=O)n(CC(C)C)c2cn1Cc1cccc2ccccc12 to produce CC(C)Cn1c(=O)n(C)c(=O)c2c(SCCCC(=O)O)n(Cc3cccc4ccccc34)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.