Using CCNC(=O)Nc1ccc(-c2ccc3c(c2)c(=O)c(C(=O)OCC)cn3CCOC)cn1 to produce CCNC(=O)Nc1ccc(-c2ccc3c(c2)c(=O)c(C(=O)O)cn3CCOC)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.