Using CCOC(=O)c1ccc(-c2nc(-c3ccc4c(c3)CCC(=O)N4)cs2)cc1 to produce O=C1CCc2cc(-c3csc(-c4ccc(C(=O)O)cc4)n3)ccc2N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.