Using COC(=O)CCCSc1nc2ccccn2c1Cc1csc2cccc(C)c12 to produce Cc1cccc2scc(Cc3c(SCCCC(=O)O)nc4ccccn34)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.