Using COC(C)(C)CN, CCn1c(Nc2nc3ccc(Cl)cc3s2)nc2cc(C(=O)O)ccc21 to produce CCn1c(Nc2nc3ccc(Cl)cc3s2)nc2cc(C(=O)NCC(C)(C)OC)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.