Using CCCc1nc(-n2c(C)ccc2C)c(/C=C/C(=O)OC)n1Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1 to produce CCCc1nc(-n2c(C)ccc2C)c(/C=C/C(=O)O)n1Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.