Using COC(=O)Cc1csc2cc(OCc3cc(C)nn3C)cc(C)c12 to produce Cc1cc(COc2cc(C)c3c(CC(=O)O)csc3c2)n(C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.