Using CC(=O)Cn1c(Oc2ccc(-n3c4ncccc4n4ccnc34)cc2)nc2ccccc21, C1CCOC1 to produce CC(C)(O)Cn1c(Oc2ccc(-n3c4ncccc4n4ccnc34)cc2)nc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.