Using CCNC(=O)Nc1cc(Nc2ccc(C(=O)OC)cc2)c(C(=O)Nc2cccnc2)cn1 to produce CCNC(=O)Nc1cc(Nc2ccc(C(=O)O)cc2)c(C(=O)Nc2cccnc2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.