Using COCC(=O)O, CCCc1c(C(=O)NC2CC2)nnn1-c1ccc(N)cc1 to produce CCCc1c(C(=O)NC2CC2)nnn1-c1ccc(NC(=O)COC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.